how systemd works?

systemd is 10 years old, but feelings about it in the Linux community haven’t mellowed—it’s as divisive now as it ever was. Although it’s used by many major Linux distributions, the hardcore opposition hasn’t relented.

https://www.howtogeek.com/675569/why-linuxs-systemd-is-still-divisive-after-all-these-years/

hashcat 6.0 released

The new major features of hashcat 6.0.0:

• New plugin interface - for modular hash-modes
  
• New compute-backend API interface - for adding compute APIs other than OpenCL
  
• CUDA added as a new compute-backend API
  
• Comprehensive plugin developer guide
  
• GPU Emulation mode - for using kernel code on the host CPU
  
• Better GPU memory and thread management
  
• Improved auto-tuning based on available resources

https://hashcat.net/forum/thread-9303.html

allow http/https by using firewall-cmd on RHEL 7

[root@server ~]# firewall-cmd --get-active-zones
public
  interfaces: eth0

firewall-cmd --permanent --zone=public --add-service=http
firewall-cmd --permanent --zone=public --add-service=https
firewall-cmd --reload